Indeed — Alexendre-de-Sève used to be called Maisonneuve, and de Maisonneuve used to be called de Montigny. And where the new library and the bus station are was a prison… see the Lost Neighbourhoods exposition at http://ville.montreal.qc.ca/portal/page?_pageid=2497,85237573&_dad=portal&_schema=PORTAL … if you just want maps, the BANQ website has quite a few in their collection numérique section at http://services.banq.qc.ca/sdx/cep/accueil.xsp